.collapse-accordion-block {
  --collapse-accordion-surface: var(--icm-color-surface);
  --collapse-accordion-text: var(--icm-color-text);
  --collapse-accordion-border: rgba(16, 24, 40, 0.06);
  --collapse-accordion-shadow: var(--icm-shadow-card);
  --collapse-accordion-shadow-open: var(--icm-shadow-card-hover);
  --collapse-accordion-icon: var(--icm-color-text);
  --collapse-accordion-muted: var(--icm-color-text-muted-3);
}

.collapse-accordion-block .collapse-accordion-list {
  display: grid;
  gap: 1.5rem;
}

.collapse-accordion-block .collapse-accordion-item {
  overflow: clip;
  border: 1px solid var(--collapse-accordion-border);
  border-radius: 1.25rem;
  background: var(--collapse-accordion-surface);
  box-shadow: var(--collapse-accordion-shadow);
  transition:
    box-shadow 180ms ease,
    border-color 180ms ease;

  &.is-open {
    box-shadow: var(--collapse-accordion-shadow-open);
  }
}

.collapse-accordion-block .collapse-accordion-heading {
  margin: 0;
}

.collapse-accordion-block .collapse-accordion-trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.6rem 2rem;
  border: 0;
  background: transparent;
  color: var(--collapse-accordion-text);
  font: inherit;
  text-align: left;

  &:focus-visible {
    outline: 2px solid #0d4694;
    outline-offset: -2px;
  }
}

.collapse-accordion-block .collapse-accordion-title {
  font-size: var(--icm-font-size-2);
  font-weight: var(--icm-font-weight-medium);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.collapse-accordion-block .collapse-accordion-icon {
  position: relative;
  display: inline-flex;
  width: 1.125rem;
  height: 1.125rem;
  flex: 0 0 1.125rem;
  color: var(--collapse-accordion-icon);

  &::before,
  &::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.95rem;
    height: 1.5px;
    border-radius: 999px;
    background: currentColor;
    content: "";
    transform: translate(-50%, -50%);
    transition: transform 180ms ease, opacity 180ms ease;
  }

  &::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }
}

.collapse-accordion-block .collapse-accordion-trigger[aria-expanded="true"] .collapse-accordion-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scaleY(0.2);
}

.collapse-accordion-block .collapse-accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows 320ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 180ms ease;
}

.collapse-accordion-block .collapse-accordion-item.is-open .collapse-accordion-panel {
  grid-template-rows: 1fr;
  opacity: 1;
}

.collapse-accordion-block .collapse-accordion-body {
  min-height: 0;
  overflow: hidden;
  padding: 0 2rem 0;
  color: var(--collapse-accordion-muted);
  font-size: var(--icm-font-size-0);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(-0.5rem);
  transition:
    padding-bottom 320ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 180ms ease;

  > :first-child {
    margin-top: 0;
  }

  > :last-child {
    margin-bottom: 0;
  }
}

.collapse-accordion-block .collapse-accordion-item.is-open .collapse-accordion-body {
  padding-bottom: 1.6rem;
  opacity: 1;
  transform: translateY(0);
}

.collapse-accordion-block .collapse-accordion-panel[aria-hidden="true"] {
  opacity: 0;
}

@media (max-width: 767.98px) {
  .collapse-accordion-block .collapse-accordion-list {
    gap: 1rem;
  }

  .collapse-accordion-block .collapse-accordion-trigger {
    padding: 1.25rem 1.25rem 1.2rem;
    gap: 1rem;
  }

  .collapse-accordion-block .collapse-accordion-panel {
    transition:
      grid-template-rows 280ms cubic-bezier(0.22, 1, 0.36, 1),
      opacity 180ms ease;
  }

  .collapse-accordion-block .collapse-accordion-body {
    padding-inline: 1.25rem;
  }

  .collapse-accordion-block .collapse-accordion-item.is-open .collapse-accordion-body {
    padding-bottom: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .collapse-accordion-block .collapse-accordion-panel,
  .collapse-accordion-block .collapse-accordion-body,
  .collapse-accordion-block .collapse-accordion-icon::before,
  .collapse-accordion-block .collapse-accordion-icon::after,
  .collapse-accordion-block .collapse-accordion-item {
    transition: none;
  }
}